Language
GB /T 70.3 - 2000
GB /T 70.1 - 2008
GB 70 - 1985
GB /T 70.1 - 2000
GB /T 70.2 - 2008
GB /T 70.2 - 2015
GB 70 - 1976
GB /T 70.3 - 2008
DIN 6912 - 2021
ASME/ANSI B 18.3.1M - 1986 (R2008)
ASME/ANSI B 18.3.5M - 1986 (R2008)
IFI 535 - 1982
ISO 21269 - 2004
ISO 12474 - 2010
DIN 6912 - 2002
DIN 6912 - 2009
DIN 6912 - 1985
ASME/ANSI B 18.3.5M - 1993
ISO 4762 - 2004
ISO 4762 - 1997